loan once again with Conference Premier club Tamworth. He signed with the club until the end of year, along with Dons teammates Charlie Collins and Jordan Ivey-Ward. George scored his first goal for Tamworth against Woking in a 3–2 victory. On 19 December 2012, Baldock scored twice for Tamworth as they beat Corby Town away 4–2 in the FA Trophy second-round replay. 2014–15 Baldock featured several times for Milton Keynes Dons in the first half of the 2014–15 season, including as part of the team involved in the memorable 4–0 win over Manchester United in the second round of the League Cup on 26 August 2015. On 12 February 2015, Baldock signed a loan deal till the end of the 2014–15 season with League Two club Oxford United. He went on to play 12 games for the club, He scored a late equaliser in the 1–1 home draw with Morecambe. 2015–16 Baldock returned to Oxford on a season-long loan on 30 June 2015. During his loan Baldock established himself as an integral part of the team, later being named in the 2015–16 League 2 PFA Team of the Year for his performances with Oxford. On 28 January 2016, after he impressed during his loan spell with the club, Milton Keynes Dons announced that Baldock had been recalled. On 3 May 2016, having claimed a place as a regular first-team player, Baldock was named the club's Young Player of the Year 2015/16 at the club's end-of-season awards. 2016–17 On 29 July 2016, Baldock signed a contract extension with Milton Keynes Dons, keeping him at the club until the summer of 2018. On 26 November 2016, Baldock made his 100th appearance for the club in a 1–2 win away versus Coventry City. Sheffield United On 13 June 2017, Baldock was reunited with former Oxford manager Chris Wilder when he joined newly promoted Championship club Sheffield United, on a three-year deal for an undisclosed fee. On 28 April 2019, Baldock saw the Blades secure promotion to the Premier League following a 12-year absence. On the 19 August 2019 Baldock signed a new 3-year contract at the club. On 12 December 2020, Baldock signed a new four-year deal with The Blades, keeping him at the club until 2024. International career Baldock is of Greek descent through his grandmother, and is thus eligible to represent Greece at an international level as well as England. On